LLNL researchers have developed a fabrication process for creating 3D random interdigitated architectures of anodes and cathodes, eliminating the need for a membrane to separate them. This approach is similar to the repeating interdigitated multi-electrode architectures that also were developed at LLNL.
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![Picture of interlocked electrode structure with metal plated surfaces](/sites/default/files/styles/scale_exact_400x400_/public/2024-03/Interlocked%20electrode%20structure%20with%20metal%20plated%20surfaces.jpg?itok=1A_mLJdP)
![MonoTel Compact Monolithic Space Telescope](/sites/default/files/styles/scale_exact_400x400_/public/2024-01/MonoTel%20Compact%20Monolithic%20Space%20Telescope.png?itok=G-ETi6O8)
Rapid monolith development at scale is achieved through use of a functionally equivalent optic simulant made from a low-cost material to substitute the functional optic. Monolith optical performance is affected not only by thermal expansion but also by temperature inhomogeneity due to the temperature dependence of refractive index.
![MonoTel Compact Monolithic Space Telescope](/sites/default/files/styles/scale_exact_400x400_/public/2024-01/MonoTel%20Compact%20Monolithic%20Space%20Telescope.png?itok=G-ETi6O8)
Aeroptics are a proposed new class of monolithic optical system in aerogel fabricated by molding around a master mandrel. This approach combines the intrinsic stability of proven monolithic telescopes, with the ultralow density of silica aerogels. In Aeroptics, the monolith is hollow with an aerogel substrate providing a supporting structure. Theoretically, Aeroptics could enable 1-m aperture…
![MonoTel Compact Monolithic Space Telescope](/sites/default/files/styles/scale_exact_400x400_/public/2024-01/MonoTel%20Compact%20Monolithic%20Space%20Telescope.png?itok=G-ETi6O8)
This invention achieves both a wider field of view and faster f-number within a monolithic substrate by incorporating an aspheric convex refractive first surface and a planar aspheric field corrector surface on the final refractive surface. These two refractive surfaces work in conjunction with a concave aspheric primary and convex aspheric secondary mirror (e.g. Cassegrain type) to improve…
![Electrodeposition of Zn onto 3D printed copper nanowire (CuNW)](/sites/default/files/styles/scale_exact_400x400_/public/2023-07/ElectrodepositionofZnon3dprintedCuNW.jpg?itok=2G2D1kt9)
Improving the active material of the Zn anode is critical to improving the practicality of Zn-MnO2 battery technology. LLNL researchers have developed a new category of 3D structured Zn anode using a direct-ink writing (DIW) printing process to create innovative hierarchical architectures. The DIW ink, which is a gel-based mixture composed of zinc metal powder and organic binders, is extruded…
![monolithic_telescope.png monolithic_telescope](/sites/default/files/styles/scale_exact_400x400_/public/2019-08/monolithic_telescope.png?itok=s7ZajArc)
Monolithic Telescopes are a novel implementation of a solid catadioptric design form, instantiated in a monolithic block of fused silica.
![geothermal steam exhaust](/sites/default/files/styles/scale_exact_400x400_/public/2022-06/geothermal_steamexhaust_big.jpg?itok=CHdFQcG1)
LLNL has a patented process to produce colloidal silica directly from geothermal fluids. Livermore’s process uses membranes to produce a mono-dispense slurry of colloidal silica particles for which there are several applications. LLNL has demonstrated that colloidal silica solutions that result from extraction of silica from geothermal fluids undergo a transition to a solid gel over a range of…
![Space-based Telescopes for Actionable Refinement of Ephemeris (STARE)](/sites/default/files/styles/scale_exact_400x400_/public/2022-06/STARE.jpg?itok=nUdNYjfG)
LLNL is developing the Space-based Telescopes for Actionable Refinement of Ephemeris (STARE). STARE is a constellation of low cost nano-satellites (less than 5Kg) in low-earth orbit dedicated to the observation of space debris in conjunction with a ground-based infrastructure for maintenance, coordination and data processing. Each nano-satellite in the constellation is capable of recording an…